/*
 * File    : SemaphoreImpl.java
 * Created : 24-Mar-2004
 * By      : parg
 * 
 * Azureus - a Java Bittorrent client
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details ( see the LICENSE file ).
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

package org.gudy.azureus2.pluginsimpl.local.utils;

/**
 * @author parg
 *
 */

import org.gudy.azureus2.core3.util.AESemaphore;
import org.gudy.azureus2.plugins.PluginInterface;
import org.gudy.azureus2.plugins.utils.Semaphore;

public class SemaphoreImpl implements Semaphore {
    private static long next_sem_id;

    private AESemaphore sem;

    protected SemaphoreImpl(PluginInterface pi) {
        synchronized (SemaphoreImpl.class) {

            sem = new AESemaphore("Plugin " + pi.getPluginID() + ":" + next_sem_id++);
        }
    }

    public void reserve() {
        sem.reserve();
    }

    public boolean reserveIfAvailable() {
        return (sem.reserveIfAvailable());
    }

    public boolean reserve(long timeout_millis) {
        return (sem.reserve(timeout_millis));
    }

    public void release() {
        sem.release();
    }

    public void releaseAllWaiters() {
        sem.releaseAllWaiters();
    }

}
